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TEA1752T/1791/DB12 PDF预览

TEA1752T/1791/DB12

更新时间： 2024-11-11 20:11:31
品牌 Logo 应用领域
恩智浦 - NXP 功率因数校正光电二极管
页数 文件大小 规格书
34页 253K
描述
SMPS combo IC for dual boost PFC and flyback control, safe restart protection, SOT109-1 Package, No Marking, Boards

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TEA1752T/1791/DB12 技术参数

Source Url Status Check Date：2013-10-15 00:00:00是否Rohs认证： 符合
生命周期：Active包装说明：SOP, SOP16,.25
Reach Compliance Code：compliant风险等级：5.77
控制模式：CURRENT-MODEJESD-30 代码：R-PDSO-G16
端子数量：16封装主体材料：PLASTIC/EPOXY
封装代码：SOP封装等效代码：SOP16,.25
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
认证状态：Not Qualified子类别：Switching Regulator or Controllers
表面贴装：YES最大切换频率：150 kHz
端子形式：GULL WING端子节距：1.27 mm
端子位置：DUALBase Number Matches：1

TEA1752T/1791/DB12 数据手册

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TEA1752T; TEA1752LT  
GreenChip III SMPS control IC  
Rev. 02 — 24 June 2010  
Product data sheet  
1. General description  
The GreenChip III is the third generation of green Switched Mode Power Supply (SMPS)  
controller ICs. The TEA1752T and TEA1752LT combine a controller for Power Factor  
Correction (PFC) and a flyback controller. The high level of integration facilitates the  
design of a cost-effective power supply using a minimum number of external components.  
The special built-in green functions provide high efficiency at all power levels. This applies  
to quasi-resonant operation at high power levels, quasi-resonant operation with valley  
skipping and reduced frequency operation at lower power levels. At low power levels, the  
PFC switches off to maintain high efficiency.  
During low power conditions, the flyback controller switches to frequency reduction mode  
and limits the peak current to an adjustable minimum value. This will ensure high  
efficiency at low power and good standby power performance while minimizing audible  
noise from the transformer.  
The TEA1752(L)T is a MultiChip Module (MCM), containing two chips. The proprietary  
high voltage BCD800 process which enables direct start-up from the rectified universal  
mains voltage in an effective and green way and a low voltage Silicon-On Insulator (SOI)  
which provides accurate, high speed protection functions and control.  
The TEA1752(L)T enables highly efficient and reliable supplies with power requirements  
of up to 250 W to be designed easily and with a minimum number of external  
components.  
2. Features and benefits  
2.1 Distinctive features  
„ Integrated PFC and flyback controller  
„ Universal mains supply operation (70 V (AC) to 276 V (AC))  
„ Dual boost PFC with accurate maximum output voltage (NXP Semiconductors  
patented, US patent number: US7575280)  
„ High level of integration, resulting in a very low external component count and a  
cost-effective design  
„ Adjustable PFC switch-off delay  
2.2 Green features  
„ On-chip start-up current source  
 
 
 
 
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